Unit 8 单元检测题 满分：100分 时间：60分钟 姓名：_____ 班级：_____ 得分：_____ 一、语言知识运用（共25分） A. 单项选择（共10小题，每小题1分） 从每小题所给的A、B、C三个选项中选出最佳选项。 We must _____ our Earth well by reducing pollution. A. treat B. build C. throw About _____ of the Earth’s surface is covered by water. A. one third B. two thirds C. one half —How can we help animals in danger —We should _____ their habitats. A. destroy B. protect C. avoid The Pacific Ocean is _____ largest ocean on Earth. A. a B. an C. the —Where is Antarctica —It is around _____ South Pole. A. a B. an C. the I see my brother _____ basketball on the playground. A. play B. playing C. played We should remember _____ off the lights when we leave the room. A. turn B. to turn C. turning If we cut down too many trees, the air _____ worse. A. becomes B. became C. will become —What clothes do you wear in winter —We wear _____ clothes like coats and boots. A. light B. heavy C. thin —How was your trip to the forest —It was great! I _____ many interesting plants. A. find B. found C. will find B. 完形填空（共10小题，每小题1.5分） 阅读下面短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出最佳选项。Our planet is facing many problems, such as pollution and climate change. But everyone can do something to help. For example, we can 11 plastic bags and use reusable ones. We can also plant more trees to keep the air 12 .Last weekend, my classmates and I 13 to a park to clean up the rubbish. We 14 for three hours and collected over 50 bags of trash. Although we were tired, we felt very 15 because we made the park cleaner.We also learned that 16 of the Earth’s water is fresh water. So we must save water by 17 shorter showers and fixing leaky taps.Remember, even small actions 18 a big difference. Let’s work together 19 our Earth a better place. The future of our planet depends on 20 we do today. A. reuse B. sell C. throw A. dirty B. clean C. dry A. go B. went C. will go A. work B. worked C. are working A. happy B. angry C. bored A. all B. most C. only a small part A. take B. taking C. took A. make B. makes C. will make A. make B. to make C. making 20. A. what B. where C. when 二、阅读理解（共30分） A. 阅读短文，根据内容选择最佳答案（共5小题，每小题2分） Antarctica is the coldest, windiest, and driest continent on Earth. It is covered by ice and snow all year round. Very few people live there, but scientists go there to study climate change and wildlife. Animals like penguins and seals live in Antarctica. They are adapted to the cold environment. However, due to global warming, the ice in Antarctica is melting. This is dangerous for the animals and for the whole planet. What is the weather like in Antarctica A. Hot and dry. B. Cold and windy. C. Warm and rainy. Who often goes to Antarctica A. Tourists. B. Scientists. C. Farmers. Which animal is NOT mentioned in the passage A. Penguins. B. Seals. C. Polar bears. What is happening to the ice in Antarctica A. It is melting ... ...
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